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Share-based awards (Details) - USD ($) $ in Thousands |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended
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Mar. 01, 2022 | Feb. 11, 2022 | Jan. 01, 2022 | Jul. 01, 2021 | Jan. 01, 2021 | Aug. 03, 2020 | Aug. 12, 2019 | Nov. 30, 2022 | Aug. 30, 2022 | Jan. 27, 2022 | Oct. 31, 2021 | Feb. 26, 2021 | Jan. 27, 2021 | Nov. 27, 2020 | Apr. 27, 2020 | Jul. 31, 2019 | Dec. 31, 2018 | Sep. 22, 2016 | Jan. 31, 2015 | Jan. 28, 2015 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based awards (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years | 5 years |  |  |  |
Granted shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 716,420 | 820,000 | 6,163,017
Expected dividend yield rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |
Unrecognized share-based compensation expenses (in Dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,307 |  |
Restricted share units granted (in Dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 799 |  |
2019 Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted shares |  | 616,420 |  |  |  |  |  |  |  |  | 140,000 |  |  |  |  |  |  |  |  |  |  |  |
2018 Stock Option Scheme [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted shares |  |  |  |  |  | 1,000,000 | 5,414,300 |  |  |  |  |  |  | 200,000 | 4,963,017 |  | 12,187,420 |  |  |  |  |  |
Maximum aggregate number of ordinary shares can be issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 55,980,360 |  |  |  |  |  |
Revised 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted shares | 100,000 |  |  | 680,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum aggregate number of ordinary shares can be issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40,147,720 |  |  |  |  |  |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares vesting period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  | 5 years |  |  |
Restricted Stock [Member] | 2019 Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based awards (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Granted shares |  |  | 163,520 |  | 239,600 |  |  | 2,000,000 | 6,485,990 | 172,500 |  | 3,304,000 | 2,717,500 |  |  |  |  |  |  |  |  |  |
Total number of shares issued and outstanding rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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